Compact keyboard tray assembly



FIG. 1 is a left, front perspective view of a compact keyboard tray assembly illustrating my new design with the keyboard tray assembly in a stored position, the broken line drawing of a housing is for illustrative purposes only and forms no part of the claimed design, the right, rear perspective view is identical;

FIG. 2 is a left, front perspective view thereof, the keyboard tray assembly in a pulled out position, the broken line drawing of a housing is for illustrative purposes only and forms no part of the claimed design, the right, front perspective view is a mirror image; and,

FIG. 3 is a left, front perspective view thereof, the keyboard tray assembly in another pulled out position, the broken line drawing of a housing is for illustrative purposes only and forms no part of the claimed design, the right, front perspective view is a mirror image. 

The ornamental design for a compact keyboard tray assembly, as shown and described. 